# MM vs SKI+

The clearest difference is update cadence: SKI+ at every 3 weeks against MM's every 2 months. MM's advantage is iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MM ships an update every 2 months, SKI+ every 3 weeks. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | MM | SKI+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 127 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Openfind Inc.](https://appshunter.io/developer/509471265) | [Academia Sinica Research Center for Information Technology Innovation](https://appshunter.io/developer/432286895) |

## What reviewers say

### MM

[App page](https://appshunter.io/ios/app/mm-mailcloud-messenger/id1045441241)

Enhance organizational communication and productivity with a business-grade messaging platform. It integrates text, voice, and group features with enterprise-level security and contact management.

**Highlights:** Text and voice messaging, Group chat with filtering, Enterprise contact integration, Business-grade security, Message tagging and categorization, Stickers and polling for collaboration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SKI+

[App page](https://appshunter.io/ios/app/ski-plus/id1347443378)

A secure messaging app that uses end-to-end encryption for private communication. All message encryption and decryption happen on your device, ensuring your conversations are protected from unauthorized access.

**Highlights:** End-to-end message encryption, Decentralized encryption on device, Secure communication, Photo and video sharing, Location sharing, Contact integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MM free?

MM is free to download, with no in-app purchases.

### Is SKI+ free?

SKI+ is free to download, with no in-app purchases.

### Do MM or SKI+ have ads?

Neither MM nor SKI+ shows ads.

### Which is updated more often, MM or SKI+?

MM ships an update every 2 months, and SKI+ every 3 weeks. Most recently, MM was updated on September 23, 2026 and SKI+ on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*